modiloader | d1eaa187b70214078cf7705d3ad6993132d56b9319baf941f70aafb949576813

Analysis

max time kernel
119s
max time network
120s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
09-01-2025 02:35

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General

Target

d1eaa187b70214078cf7705d3ad6993132d56b9319baf941f70aafb949576813N.exe
Size

90KB
MD5

ee3e75ad87bf971ed652d24a313b0790
SHA1

0e123ab45314a56d690bb646ec7a2435557e5d86
SHA256

d1eaa187b70214078cf7705d3ad6993132d56b9319baf941f70aafb949576813
SHA512

4084dbbfa8156fda4f255d8f491b6f4ec349197ac990111b6be04367072f552f2facfdd0f429c56ccbca98fac2f4985bc79f03711a7df4d2455da99e2e3b39cd
SSDEEP

1536:UiYwjQt6QJvzZsgDIWzm/xsXfv+hYhyQQyV5uv4JBrB7w5VRGulTG1ZCL8nj1oDP:0wjZQJvzZsgsW6/Afv+hYfQIm4/rdE3F

Score

10^/10

modiloader discovery persistence trojan upx

Malware Config

Signatures

ModiLoader, DBatLoader
ModiLoader is a Delphi loader that misuses cloud services to download other malicious families.
trojan modiloader
Modiloader family
modiloader

ModiLoader Second Stage 1 IoCs

resource	yara_rule
behavioral1/memory/2000-264-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2

Executes dropped EXE 3 IoCs

pid	Process
316	csrsll.exe
1036	csrsll.exe
2000	csrsll.exe

Loads dropped DLL 5 IoCs

pid	Process
1676	d1eaa187b70214078cf7705d3ad6993132d56b9319baf941f70aafb949576813N.exe
1676	d1eaa187b70214078cf7705d3ad6993132d56b9319baf941f70aafb949576813N.exe
1676	d1eaa187b70214078cf7705d3ad6993132d56b9319baf941f70aafb949576813N.exe
1676	d1eaa187b70214078cf7705d3ad6993132d56b9319baf941f70aafb949576813N.exe
1676	d1eaa187b70214078cf7705d3ad6993132d56b9319baf941f70aafb949576813N.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-3551809350-4263495960-1443967649-1000\Software\Microsoft\Windows\CurrentVersion\Run\Win Pdf = "C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\csrsll.exe"	reg.exe

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 2020 set thread context of 1676	2020	d1eaa187b70214078cf7705d3ad6993132d56b9319baf941f70aafb949576813N.exe	30
PID 316 set thread context of 1036	316	csrsll.exe	35
PID 316 set thread context of 2000	316	csrsll.exe	36

UPX packed file 24 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral1/memory/2020-0-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/2020-26-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/2020-92-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/2020-89-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/1676-97-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/1676-95-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2020-82-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/2020-79-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/1676-102-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2020-108-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/1676-106-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/1676-109-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/1676-104-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/files/0x00090000000120fb-134.dat	upx
behavioral1/memory/1676-149-0x0000000003350000-0x00000000033A3000-memory.dmp	upx
behavioral1/memory/1676-154-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/316-212-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/1036-234-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/1676-255-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/316-252-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/2000-250-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral1/memory/316-249-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/1036-261-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2000-264-0x0000000000400000-0x0000000000414000-memory.dmp	upx

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 7 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	csrsll.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	d1eaa187b70214078cf7705d3ad6993132d56b9319baf941f70aafb949576813N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	d1eaa187b70214078cf7705d3ad6993132d56b9319baf941f70aafb949576813N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	reg.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	csrsll.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	csrsll.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeDebugPrivilege	1036	csrsll.exe
Token: SeDebugPrivilege	1036	csrsll.exe
Token: SeDebugPrivilege	1036	csrsll.exe
Token: SeDebugPrivilege	1036	csrsll.exe
Token: SeDebugPrivilege	1036	csrsll.exe
Token: SeDebugPrivilege	1036	csrsll.exe
Token: SeDebugPrivilege	1036	csrsll.exe
Token: SeDebugPrivilege	1036	csrsll.exe
Token: SeDebugPrivilege	1036	csrsll.exe
Token: SeDebugPrivilege	1036	csrsll.exe
Token: SeDebugPrivilege	1036	csrsll.exe
Token: SeDebugPrivilege	1036	csrsll.exe
Token: SeDebugPrivilege	1036	csrsll.exe
Token: SeDebugPrivilege	1036	csrsll.exe
Token: SeDebugPrivilege	1036	csrsll.exe
Token: SeDebugPrivilege	1036	csrsll.exe
Token: SeDebugPrivilege	1036	csrsll.exe
Token: SeDebugPrivilege	1036	csrsll.exe
Token: SeDebugPrivilege	1036	csrsll.exe
Token: SeDebugPrivilege	1036	csrsll.exe
Token: SeDebugPrivilege	1036	csrsll.exe
Token: SeDebugPrivilege	1036	csrsll.exe
Token: SeDebugPrivilege	1036	csrsll.exe
Token: SeDebugPrivilege	1036	csrsll.exe
Token: SeDebugPrivilege	1036	csrsll.exe
Token: SeDebugPrivilege	1036	csrsll.exe
Token: SeDebugPrivilege	1036	csrsll.exe
Token: SeDebugPrivilege	1036	csrsll.exe
Token: SeDebugPrivilege	1036	csrsll.exe
Token: SeDebugPrivilege	1036	csrsll.exe
Token: SeDebugPrivilege	1036	csrsll.exe
Token: SeDebugPrivilege	1036	csrsll.exe
Token: SeDebugPrivilege	1036	csrsll.exe
Token: SeDebugPrivilege	1036	csrsll.exe
Token: SeDebugPrivilege	1036	csrsll.exe
Token: SeDebugPrivilege	1036	csrsll.exe
Token: SeDebugPrivilege	1036	csrsll.exe
Token: SeDebugPrivilege	1036	csrsll.exe
Token: SeDebugPrivilege	1036	csrsll.exe
Token: SeDebugPrivilege	1036	csrsll.exe
Token: SeDebugPrivilege	1036	csrsll.exe
Token: SeDebugPrivilege	1036	csrsll.exe
Token: SeDebugPrivilege	1036	csrsll.exe
Token: SeDebugPrivilege	1036	csrsll.exe
Token: SeDebugPrivilege	1036	csrsll.exe
Token: SeDebugPrivilege	1036	csrsll.exe
Token: SeDebugPrivilege	1036	csrsll.exe
Token: SeDebugPrivilege	1036	csrsll.exe
Token: SeDebugPrivilege	1036	csrsll.exe
Token: SeDebugPrivilege	1036	csrsll.exe
Token: SeDebugPrivilege	1036	csrsll.exe
Token: SeDebugPrivilege	1036	csrsll.exe
Token: SeDebugPrivilege	1036	csrsll.exe
Token: SeDebugPrivilege	1036	csrsll.exe
Token: SeDebugPrivilege	1036	csrsll.exe
Token: SeDebugPrivilege	1036	csrsll.exe
Token: SeDebugPrivilege	1036	csrsll.exe
Token: SeDebugPrivilege	1036	csrsll.exe
Token: SeDebugPrivilege	1036	csrsll.exe
Token: SeDebugPrivilege	1036	csrsll.exe
Token: SeDebugPrivilege	1036	csrsll.exe
Token: SeDebugPrivilege	1036	csrsll.exe
Token: SeDebugPrivilege	1036	csrsll.exe
Token: SeDebugPrivilege	1036	csrsll.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
2020	d1eaa187b70214078cf7705d3ad6993132d56b9319baf941f70aafb949576813N.exe
1676	d1eaa187b70214078cf7705d3ad6993132d56b9319baf941f70aafb949576813N.exe
316	csrsll.exe
1036	csrsll.exe

Suspicious use of WriteProcessMemory 36 IoCs

description	pid	Process	procid_target
PID 2020 wrote to memory of 1676	2020	d1eaa187b70214078cf7705d3ad6993132d56b9319baf941f70aafb949576813N.exe	30
PID 2020 wrote to memory of 1676	2020	d1eaa187b70214078cf7705d3ad6993132d56b9319baf941f70aafb949576813N.exe	30
PID 2020 wrote to memory of 1676	2020	d1eaa187b70214078cf7705d3ad6993132d56b9319baf941f70aafb949576813N.exe	30
PID 2020 wrote to memory of 1676	2020	d1eaa187b70214078cf7705d3ad6993132d56b9319baf941f70aafb949576813N.exe	30
PID 2020 wrote to memory of 1676	2020	d1eaa187b70214078cf7705d3ad6993132d56b9319baf941f70aafb949576813N.exe	30
PID 2020 wrote to memory of 1676	2020	d1eaa187b70214078cf7705d3ad6993132d56b9319baf941f70aafb949576813N.exe	30
PID 2020 wrote to memory of 1676	2020	d1eaa187b70214078cf7705d3ad6993132d56b9319baf941f70aafb949576813N.exe	30
PID 2020 wrote to memory of 1676	2020	d1eaa187b70214078cf7705d3ad6993132d56b9319baf941f70aafb949576813N.exe	30
PID 1676 wrote to memory of 2860	1676	d1eaa187b70214078cf7705d3ad6993132d56b9319baf941f70aafb949576813N.exe	31
PID 1676 wrote to memory of 2860	1676	d1eaa187b70214078cf7705d3ad6993132d56b9319baf941f70aafb949576813N.exe	31
PID 1676 wrote to memory of 2860	1676	d1eaa187b70214078cf7705d3ad6993132d56b9319baf941f70aafb949576813N.exe	31
PID 1676 wrote to memory of 2860	1676	d1eaa187b70214078cf7705d3ad6993132d56b9319baf941f70aafb949576813N.exe	31
PID 2860 wrote to memory of 348	2860	cmd.exe	33
PID 2860 wrote to memory of 348	2860	cmd.exe	33
PID 2860 wrote to memory of 348	2860	cmd.exe	33
PID 2860 wrote to memory of 348	2860	cmd.exe	33
PID 1676 wrote to memory of 316	1676	d1eaa187b70214078cf7705d3ad6993132d56b9319baf941f70aafb949576813N.exe	34
PID 1676 wrote to memory of 316	1676	d1eaa187b70214078cf7705d3ad6993132d56b9319baf941f70aafb949576813N.exe	34
PID 1676 wrote to memory of 316	1676	d1eaa187b70214078cf7705d3ad6993132d56b9319baf941f70aafb949576813N.exe	34
PID 1676 wrote to memory of 316	1676	d1eaa187b70214078cf7705d3ad6993132d56b9319baf941f70aafb949576813N.exe	34
PID 316 wrote to memory of 1036	316	csrsll.exe	35
PID 316 wrote to memory of 1036	316	csrsll.exe	35
PID 316 wrote to memory of 1036	316	csrsll.exe	35
PID 316 wrote to memory of 1036	316	csrsll.exe	35
PID 316 wrote to memory of 1036	316	csrsll.exe	35
PID 316 wrote to memory of 1036	316	csrsll.exe	35
PID 316 wrote to memory of 1036	316	csrsll.exe	35
PID 316 wrote to memory of 1036	316	csrsll.exe	35
PID 316 wrote to memory of 2000	316	csrsll.exe	36
PID 316 wrote to memory of 2000	316	csrsll.exe	36
PID 316 wrote to memory of 2000	316	csrsll.exe	36
PID 316 wrote to memory of 2000	316	csrsll.exe	36
PID 316 wrote to memory of 2000	316	csrsll.exe	36
PID 316 wrote to memory of 2000	316	csrsll.exe	36
PID 316 wrote to memory of 2000	316	csrsll.exe	36
PID 316 wrote to memory of 2000	316	csrsll.exe	36

C:\Users\Admin\AppData\Local\Temp\d1eaa187b70214078cf7705d3ad6993132d56b9319baf941f70aafb949576813N.exe
"C:\Users\Admin\AppData\Local\Temp\d1eaa187b70214078cf7705d3ad6993132d56b9319baf941f70aafb949576813N.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2020
- C:\Users\Admin\AppData\Local\Temp\d1eaa187b70214078cf7705d3ad6993132d56b9319baf941f70aafb949576813N.exe
  "C:\Users\Admin\AppData\Local\Temp\d1eaa187b70214078cf7705d3ad6993132d56b9319baf941f70aafb949576813N.exe"
  2⤵
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:1676
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c ""C:\Users\Admin\AppData\Local\Temp\GVVIK.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:2860
  - - C:\Windows\SysWOW64\reg.exe
      REG ADD "HKCU\Software\Microsoft\Windows\CurrentVersion\Run" /v "Win Pdf" /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe" /f
      4⤵
      Adds Run key to start application
      System Location Discovery: System Language Discovery
      PID:348
- - C:\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe
    "C:\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe"
    3⤵
    - Executes dropped EXE
    - Suspicious use of SetThreadContext
    - System Location Discovery: System Language Discovery
    - Suspicious use of SetWindowsHookEx
    - Suspicious use of WriteProcessMemory
    PID:316
  - - C:\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe
      "C:\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe"
      4⤵
      Executes dropped EXE
      System Location Discovery: System Language Discovery
      Suspicious use of AdjustPrivilegeToken
      Suspicious use of SetWindowsHookEx
      PID:1036
  - - C:\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe
      "C:\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe"
      4⤵
      Executes dropped EXE
      System Location Discovery: System Language Discovery
      PID:2000

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\GVVIK.bat

Filesize
145B

MD5
4eb61ec7816c34ec8c125acadc57ec1b

SHA1
b0015cc865c0bb1a027be663027d3829401a31cc

SHA256
08375cdb2e9819391f67f71e9718c15b48d3eaa452c54bd8fdd1f6a42e899aff

SHA512
f289f01d996dd643560370be8cdf8894e9a676ca3813f706c01ef5d705b9b18246c6cadf10d96edd433a616637b8a78fbd23c5738e76f1c4e671977b6d0cb6c1

Download Submit
\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe

Filesize
90KB

MD5
04595b1fbf2945f2615ed61510f697e0

SHA1
8ee0e8ea48d80cf95e6e859e9a9a540fbfea2bdf

SHA256
aa29721fb0ef496353bd342f5bb4f907ea777afa193412461f332af3a9f7ec64

SHA512
d9f1ab2a86e225d95554bbcaede078b3207edfc38b990ff10fc80536cb20f5b2495b60faa13be67c1ed9b1733e7d772ee30d41d658dc5e5f2adfebb80a230420

Download Submit
memory/316-249-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/316-252-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/316-167-0x0000000000260000-0x0000000000261000-memory.dmp

Filesize
4KB

Download
memory/316-178-0x0000000000280000-0x0000000000281000-memory.dmp

Filesize
4KB

Download
memory/316-212-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/316-157-0x00000000001C0000-0x00000000001C1000-memory.dmp

Filesize
4KB

Download
memory/1036-261-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1036-234-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1676-97-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1676-151-0x0000000003350000-0x00000000033A3000-memory.dmp

Filesize
332KB

Download
memory/1676-95-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1676-93-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1676-255-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1676-233-0x0000000003350000-0x00000000033A3000-memory.dmp

Filesize
332KB

Download
memory/1676-232-0x0000000003350000-0x00000000033A3000-memory.dmp

Filesize
332KB

Download
memory/1676-154-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1676-149-0x0000000003350000-0x00000000033A3000-memory.dmp

Filesize
332KB

Download
memory/1676-102-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1676-100-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/1676-150-0x0000000003350000-0x00000000033A3000-memory.dmp

Filesize
332KB

Download
memory/1676-106-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1676-109-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1676-104-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2000-250-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2000-264-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2020-29-0x00000000002C0000-0x00000000002C1000-memory.dmp

Filesize
4KB

Download
memory/2020-13-0x0000000000404000-0x0000000000405000-memory.dmp

Filesize
4KB

Download
memory/2020-61-0x00000000003B0000-0x00000000003B1000-memory.dmp

Filesize
4KB

Download
memory/2020-71-0x00000000003D0000-0x00000000003D1000-memory.dmp

Filesize
4KB

Download
memory/2020-92-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2020-41-0x0000000000370000-0x0000000000371000-memory.dmp

Filesize
4KB

Download
memory/2020-99-0x0000000002750000-0x00000000027A3000-memory.dmp

Filesize
332KB

Download
memory/2020-26-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2020-79-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2020-108-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2020-80-0x00000000003F0000-0x00000000003F2000-memory.dmp

Filesize
8KB

Download
memory/2020-82-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2020-16-0x00000000002A0000-0x00000000002A1000-memory.dmp

Filesize
4KB

Download
memory/2020-0-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2020-3-0x0000000000280000-0x0000000000281000-memory.dmp

Filesize
4KB

Download
memory/2020-5-0x0000000000280000-0x0000000000281000-memory.dmp

Filesize
4KB

Download
memory/2020-89-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads